100031232132 has 72 divisors (see below), whose sum is σ = 278640025664. Its totient is φ = 30063047616.

The previous prime is 100031232107. The next prime is 100031232137. The reversal of 100031232132 is 231232130001.

100031232132 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 312 + 321 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100031232137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2465248 + ... + 2505495.

Almost surely, 2^100031232132 is an apocalyptic number.

100031232132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100031232132 is an abundant number, since it is smaller than the sum of its proper divisors (178608793532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100031232132 is a wasteful number, since it uses less digits than its factorization.

100031232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970809 (or 4970804 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100031232132 its reverse (231232130001), we get a palindrome (331263362133).

The spelling of 100031232132 in words is "one hundred billion, thirty-one million, two hundred thirty-two thousand, one hundred thirty-two".